Answer:
The answer is D.
Step-by-step explanation:
As the question say x represents number of minutes and y represents total amoumt so $5 and $10 is a fixed amount that are needed to pay for each month. So the expression for each month that is needed to pay is :
y = 0.99x + 5
y = 0.79x + 10
Answer:
aₙ = 0.2(-0.3)⁽ⁿ⁻¹⁾
Step-by-step explanation:
The geometric sequence with the first term a, a common ratio r has the nth term given as
Tₙ = arⁿ⁻¹
where Tₙ is the nth term
From the given sequence
a = 0.2
r = -0.06/0.2
= -0.3
Hence the nth term
= 0.2 * -0.3ⁿ⁻¹
The right option is E
<span>y = 5x - 9 a straight line
If y = 0 then 5x-9 = 0 0r x = 9/5
If x = 0, then y = -9
The straight line can be drawn from (9/5,0) to (0,-9) and extended to infinity both ways.
</span>
Answer:
Before solving the given trigonometric relation change everything to sines and cosines
Step-by-step explanation:
consider the given equation;
=
Multiplying the above equation on both sides by 
then we get,
By using identity,
expand above equation we will get,
Then,
So the required value of the angle is 
degree.
Answer:
A.130 stamps after 3 months
B. The number of stamps Gracie added to her collection in 2 months is 100
Step-by-step explanation:
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